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Top Pick Harris 742-250-346-e - 742250346e - Air Regulator Save 75% Now [NpdcVSJB]

$44.99 $143.99 -69%

Harris Stainless Steel High Purity Two Stage Cylinder Regulator - Model 742-250-346-E - 742250346EModel HP742 is a Stainless Steel barstock Two Stage Cylinder Regulator with a Stainless Steel diaphragm for constant delivery pressure from full to near

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Top Pick Harris 742-250-346-e - 742250346e - Air Regulator Save 75% Now [NpdcVSJB]

Harris Stainless Steel High Purity Two Stage Cylinder Regulator - Model 742-250-346-E - 742250346E

Model HP742 is a Stainless Steel barstock Two Stage Cylinder Regulator with a Stainless Steel diaphragm for constant delivery pressure from full to near empty Cylinder conditions. Model HP742 is available with various delivery pressures, CGA/inlet fittings, accessories and other options for a customized Regulator to meet specific requirements.

Features

  • 1-11/16"- 316L Stainless Steel diaphragm eliminates contamination from diffusion or out-gassing
  • One-piece encapsulated seat design with 10 micron sintered internal filter to protect the PTFE Teflon seat from particulate contamination
  • 2” Stainless Steel dual scale gauges (psi/bar)
  • Ergonomic ABS plastic knob for improved grip
  • 316L Stainless Steel barstock body and fittings and chrome-plated Brass Barstock bonnet for years of dependable service
  • Maximum inlet 3000 psig, except for CGA 240 and 510 models that are equipped with a 400 psig inlet gauge.
  • Designed to 1 x 10-9 cc/sec inboard helium leak rate to maintain gas purity levels
  • Front or back panel mountable

Typical Applications

  • Corrosive gas, High Purity gas, research sample system gas and process analyzer gases applications
  • Gas chromatography
  • EPA protocol gases
  • Laser gas systems
  • Emission monitoring systems

What Our Customers Say

February 3, 2026

Absolutely no complaints!

This is a very intuitive and a very strong tool.

- Silvan S..

February 3, 2026

Absolutely no complaints!

A very smart and a useful piece of technology.

- Everard Z..

February 3, 2026

Absolutely no complaints!

It's a sturdy, efficient, and a wonderful gadget.

- Jolyon E..

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